Lanzhou weather in 2025
Lanzhou weather in 2025, with 365 daily observations from Open-Meteo archive data.
Interactive graph
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Use the graph view to inspect 2025 alongside other available years for Lanzhou.
Year summary
In 2025, Lanzhou averaged 17.4 C for daily highs and 5.2 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2025 with the 2023-2025 archive baseline. The 2025 average daily high was -0.2 C from that baseline, and total precipitation was +96.6 mm from the baseline total.
The warmest month was July, with an average high of 30.9 C, while January had the lowest average low at -8.6 C.
The wettest month was August, totaling 108.3 mm. The hottest day reached 36.7 C on July 15, 2025.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | -8.6 | 3.0 | 8.5 | 31 |
| February | -5.2 | 5.1 | 3.6 | 28 |
| March | -2.3 | 11.1 | 7.7 | 31 |
| April | 5.4 | 21.0 | 7.6 | 30 |
| May | 10.4 | 26.5 | 46.6 | 31 |
| June | 15.0 | 28.7 | 49.4 | 30 |
| July | 18.2 | 30.9 | 75.9 | 31 |
| August | 16.5 | 27.5 | 108.3 | 31 |
| September | 13.0 | 23.9 | 71.9 | 30 |
| October | 6.2 | 15.9 | 74.0 | 31 |
| November | -0.9 | 9.7 | 7.8 | 30 |
| December | -5.9 | 4.4 | 1.3 | 31 |
Daily records in 2025
| Record | Date | Value |
|---|---|---|
| Hottest day | July 15, 2025 | 36.7 C |
| Coldest night | January 26, 2025 | -14.2 C |
| Wettest day | October 1, 2025 | 26.0 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.